MENLO PARK, Calif., July 16 /PRNewswire/ -- Today, Apieron, Inc. reported that it filed a patent infringement complaint against Aerocine AB, Solna, Sweden, Aerocrine AG, Bad Homburg, Germany and Mr. Mangus Pelles, Usingen, Germany in the Regional Court of Mannheim, Germany. Apieron, makers of the Insight(TM) eNO System for measurement of exhaled nitric oxide, presented this complaint against Aerocrine on the grounds that they are offering and putting on the market portable and stationary analyzers to detect the nitric oxide content in breath, which Apieron considers to be infringing the German part of its European Patent EP 0 892 926.